Who was Michiyo Tsujimura? | Everything about Michiyo Tsujimura

Michiyo Tsujimura Biography (Google Doodle Celebrates Michio Tsujimura’s 133rd Birthday) Education History is available in this article. Michio Tsujimura was born in 1888 in Okegawa, Saitama Prefecture, Japan. He spent his early career teaching science. He is a very good scientist, that’s why Google is celebrating his 133rd birthday today by making his doodle. Because of her research, science today has the answer to why green tea tastes so bitter when steeped for too long.

Michiyo Tsujimura Biography

Tsujimura was born in 1888 in what is now Okegawa in Saitama Prefecture. She attended Tokyo Prefecture Women’s Normal School, graduating in 1909, and attended the science department at Tokyo Women’s Higher Normal School. There, he was tutored by the biologist Kono Yasui, who inspired an interest in scientific research at Tsujimura. She graduated in 1913 and became a teacher at Yokohama High School for Women in Kanagawa Prefecture. In 1917, she returned to Saitama Prefecture to teach at the Saitama Women’s Normal School.

Tsujimura Full Name Michiyo Tsujimura
Date of Birth 17 September 1888
Died Age 1 June 1969 (aged 80)
Occupation Agronomist, Biochemist
Gender Female



Michiyo Tsujimura History

Tsujimura’s research career began in 1920 when she joined Hokkaido Imperial University as a laboratory assistant. At the time, the university did not accept female students, so Tsujimura worked in an unpaid position at the Food Nutrition Laboratory of the university’s Department of Agricultural Chemistry. There, he researched silkworm nutrition before transferring to the Medical Chemical Laboratory at Tokyo Imperial University’s Medical College in 1922.

The laboratory was destroyed in the 1923 Great Kanto earthquake, so she moved to RIKEN in October 1923 as a research student. He worked in the laboratory of Umetaro Suzuki, a doctor of agriculture and researched nutritional chemistry. Tsujimura and his colleague Seitaro Miura discovered vitamin C in green tea in 1924, and published an article titled “On Vitamin C in Green Tea” in the journal Bioscience, Biotechnology and Biochemistry. This discovery contributed to an increase in the export of green tea to North America.

In 1929, Tsujimura isolated the flavonoid catechins from green tea. He extracted tannins in crystal form from green tea in 1930. Her thesis on components of green tea, titled “On the Chemical Components of Green Tea”, earned her a doctorate in agriculture from Tokyo Imperial University in 1932, making her the first woman. To earn such a degree in Japan. He isolated gallocatechin from green tea in 1934 and filed a patent in 1935 on his method of extracting vitamin C crystals from plants.

Tsujimura retired as a professor from Ochanomizu University in 1955, but continued to lecture part-time until 1961. She was a professor at Jisun Women’s University in Tokyo from 1955 to 1963, when she became a professor emeritus. He was awarded the Japan Prize of Agricultural Sciences in 1956 for his research on green tea, and in 1968 he was awarded the Order of the Precious Crown of the Fourth Class. He died in Toyohashi on 1 June 1969 at the age of 81. On his 133rd day, Sujimura’s birthday was honored with a Google Doodle.

Michiyo Tsujimura Biography (FAQs)

  1. What is the Date of Birth of Michiyo Tsujimura?

    Michiyo Tsujimura Born is 17 September 1888 Saitama, Japan.

  2. When did Michio Tsujimura die?

    1 June 1969.

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